Create PyPi release

Check tests and issues
Check docu is running
Update version number + commit
Create tag locally `git tag 1.x.x`
Push tag to remote `git push origin --tags`
Create dist `python setup.py sdist`
Test `dist/<package><version>` is pip installable
Check compatiblity with PyPi `twine check dist/<package><version>.tar.gz`
Test package on PyPiTest `twine upload --repository pypitest dist/<package><version>.tar.gz`
Test installability from PyPiTest `pip install -i https://test.pypi.org/simple/ <package> --pre --extra-index-url https://pypi.org/simple`
Upload to PiPy `twine upload --repository pypi dist/<package><version>.tar.gz`
Test installation from PiPy `pip install <package>